/*
 *  Copyright 2011 yura.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package org.opu.vcforms.transform_t2d.text.sheet;

import java.util.Arrays;
import java.util.List;

/**
 *
 * @author yura
 */
public class LineCollector {
    public static final String DEFAULT_LINE_SEPARATOR =
            "(\\r\\n)|(\\n)|(\\r)|(\\u0085)|(\\u2028)|(\\u2029)";

    /** value that adding at the end of each string */
    private final String lineEnd;
    private final String lineSeparator;

    public LineCollector(String lineEnd) {
        this(lineEnd, DEFAULT_LINE_SEPARATOR);
    }

    public LineCollector(String lineEnd, String lineSeparator) {
        this.lineEnd = lineEnd;
        this.lineSeparator = lineSeparator;
    }

    public List<String> split(String text){
        return Arrays.asList(text.split(lineSeparator, -1));
    }

    public String collect(List list){
        StringBuilder sb = new StringBuilder();
        
        if(list != null && !list.isEmpty()){
            for (Object string : list) {
                sb.append(string).append(lineEnd);
            }
        }

        return sb.toString();
    }
}
